Elevator control system



July 1, 1941. gw s ETAL 2,247,955

ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 1 EXCITER TRACTION 5HEAVE RAKE fififi MOTOR T MOTION nsvnca HOISTINCL REEL ROPES UPPERTERMlNAL- TAPEMOTOR HALLBUTTON TApE &

COUNTERWEIGHT HALL BUTTONS [a LOWER .TERHlNAL CAM 680 TERMINAL E STOPPING 2/22 fiwncn CAR qunons 2 0 Z l! HALLBUTTON *1 CAROPERATING K PANEL Fl G -STARTCONTROL SWITCH ELEVATOR CAR QMJ M L-M a INVENTORS AZLM Him w, (BM/J.

"' ATTORNEY July 1, 1941 J. o. LEWlS ET AL ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 2 '13, WM H W5 BY INVENTORS ATTORNEY i July 1, 1941.

J. D. LEWIS ET AL ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 3 MISM LW WlL Hw w] 6 BY 1 Mwflw ATTORNEY YIINVENTORS W J. D. LEWIS ETAL 7,955

iled June 5, 1940 24 Sheets-Sheet 4 }\NVENTORS ATTORNEY M ma/MM La ELEVATOR CONTROL SYSTEM y 1941- .1. D. LEWIS ETAL 2247,955

ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 5 QAZL/ Hm (8AM BY vnml ATTORNEY INVENTORS July 1, 1941. J p gw s A 2,247,955

ELEVATOR CQNTHOL S YSTEM Filed June 5, 1940 24 Sheets-Sheet 6 A'ITORNEY E N R O w A July 1, 1941. J n LEWIS ETAL ELEVATOR CONTROL SYSTEM Flled June 5, 1940 July 1, 1941. J. D. LEWIS ETAL ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 8 wet.

a FZP Nnn g an MNVENTORS I ATTO NEY July 1, 1941.. D, LEWAS ETAL 2,247,955

ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 9 Flell }INVENTORS ATTORNEY y 1, 1941' J. m. LEWIS ET AL 7,955

ELEVATOR CONTROL SYSTEM 332 am s10 Fm now now n02 v ATTORNEY }INVENTORS y J. D. LEWIS ETAL 2,247,955

ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet ll BY ATTORNEY }INVENTORS July I, 1941. i J. D. LEWIS ETAL ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 1 2 4IHI II HI 4QH 4il 4lil 4 li 4il 4lil 4i F: 0.26 gwam pm W r. H }INVENTORS ATTORNEY 1941- J. D. LEWIS ET L 2,247,955

ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 13 EXI Exz EX'b W1 glNVENTORS ATTORNEY Y E N R O T T A I l I l I I I I I I l I I l I I I I I I I l I l I I I l I I I l I l I I I I I I I I I l I l XII }INVENTOR5 AM 24 Sheets-Sheet -l5 II I I I Tax LW mm I PM III I I I IIIIII IIII I IIII I III I I IIIIII IIIII II SII I I I IIII III! I I I I|II.:I IIIIIIIIIII. II|IIIIIIIIIIIIIIIIILIN II I I I I I I I l I I I I I I I I I I II l I I IIIIIIII II R R July 1, 1941. J D LEWIS ETAL ELEVATOR CONTROL SYSTEM Flled June 5, 1940 R I I I I I I I I I I I I I I I I I I I I I l l I I I I I I I I g I I I i I I I I I l I I I I I l I I I I I I I I l I I I l I I I I I I l I I I I I I I I I I I I I I I I I l l I I I l I I I I I l I I I I l I I I I I I I 1, 1941' J. D. LEWIS ETAL 2,247,955

ELEVATOR CONTROL SYSTEM Filed June 5, 1940 24 Sheets-Sheet 16 M UM LM Mm 0 M BY .vnmrit r ATTORNEY IINVENTORS July 1, 1941. D, LEWIS ET AL 2,247,955

ELEVATOR CONTROL SYSTEM f I Lm HIM/v] }IINVENTORS BY iv l'fl l ATTORNEY 

